Date: Sun, 30 Mar 2003 16:30:17 +0200 From: des@ofug.org (Dag-Erling =?iso-8859-1?q?Sm=F8rgrav?=) To: Anti <fearow@attbi.com> Cc: l.ertl@univie.ac.at Subject: Re: vinum performance Message-ID: <xzpbrzthqpy.fsf@flood.ping.uio.no> In-Reply-To: <20030330081831.5c4e317e.fearow@attbi.com> (Anti's message of "Sun, 30 Mar 2003 08:18:31 -0600") References: <20030330125138.K23911@leelou.in.tern> <xzpk7ehhxaf.fsf@flood.ping.uio.no> <20030330081831.5c4e317e.fearow@attbi.com>
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Anti <fearow@attbi.com> writes: > try benchmarking ccd as well to see how it compares? and try some big str= ipe > sizes (4093, 8191, 12281)? I believe Greg showed in his USENIX paper on Vinum that large stripe sizes aren't preferable to small ones. I may misremember though. ccd isn't very interesting, its performance should be just slightly worse than single disk case. What would be interesting though would be to compare Vinum with ATA RAID (see the 'create' command in the atacontrol man page) DES --=20 Dag-Erling Sm=F8rgrav - des@ofug.org
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